@class SHSignature, NSMutableDictionary; @interface SHSignatureChunker : NSObject @property (readonly, nonatomic) SHSignature *originalSignature; @property (readonly, nonatomic) NSMutableDictionary *chunkPositionsInOriginalSignature; - (void).cxx_destruct; - (id)initWithSignature:(id)a0; - (id)chunksWithMaximumDuration:(double)a0 andOverlapDuration:(double)a1; - (BOOL)containsChunk:(id)a0; - (id)cropSignatureData:(id)a0 atPosition:(double)a1 withLength:(double)a2 error:(id *)a3; - (double)offsetInOriginalSignatureForChunk:(id)a0; - (id)splitSignature:(id)a0 fromStartPosition:(double)a1 intoDurationsOfSize:(double)a2 overlapDuration:(double)a3; @end